contestada

Oxygen gas can be produced in small quantities in the laboratory from the thermal decomposition of potassium chlorate:
2 KCIO3(s) → 2 KCl(s) + 3 O2(g)

If 4.4 g of KCIO3 is heated and decomposes, what volume of O2 gas will be produced at 24°C and 676 torr.